﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Abc
{
	public class Math
	{
		private int x;
		private int y;

		public void SetX(int x)
		{
			this.x = x;
		}

		public void SetY(int y)
		{
			this.y = y;
		}
		/// <summary>
		/// Math for add method
		/// </summary>
		/// <param name="x">first paramster</param>
		/// <param name="y">second parameter</param>
		/// <returns></returns>
		public int Add()
		{
			return RealAdd(x, y);
		}

		public int RealAdd(int x, int y)
		{
			return x + y;
		}

		public int Reduce()
		{
			return x - y;
		}

		public string Add(string x, string y)
		{
			return x + y;
		}

		public void Set()
		{
		}
	}
}
